2016 Cadillac ATS AC Isn't Working

Common Causes of AC Malfunctions in Your 2016 Cadillac ATS and How to Fix Them

Find Repair Location
Reviewed by
Aisha
Written by RepairPal Car Genius
Updated January 14, 2025
0%
37% chance it's the
Refrigerant Leak
0%
21% chance it's the
Climate Control Electrical Issue
0%
12% chance it's the
AC Compressor
0%
30% chance it's
Something else
The most common reasons a 2016 Cadillac ATS AC isn't working are a refrigerant leak, an electrical climate control issue, or a problem with the air conditioning compressor.
  • Refrigerant Leak: A refrigerant leak can occur due to damaged hoses, seals, or connections, resulting in decreased cooling efficiency in the air conditioning system.
  • Climate Control Electrical Issue: A faulty climate control module or a blown fuse could be causing the electrical issues in the climate control system.
  • AC Compressor: A faulty AC compressor may be due to a lack of lubrication, electrical issues, or internal mechanical failure, resulting in inadequate cooling performance.
Proper diagnosis will determine the exact cause of your symptom, saving you money on unnecessary repairs. The diagnostic experts at RepairPal Certified shops have the right tools and experience to solve any symptom.

What are the initial diagnostic steps to take when the AC isn't working in a 2016 Cadillac ATS?

When your 2016 Cadillac ATS's AC system fails to cool, start by checking the refrigerant levels, as both low and overcharged refrigerant can significantly impact performance. Next, inspect the compressor for any signs of malfunction, as a faulty compressor can prevent the system from functioning correctly. Don’t overlook the cabin air filter; a clogged filter can restrict airflow and diminish cooling efficiency, so ensure it is clean and unobstructed. Additionally, examine the condenser and evaporator coils for dirt and debris, as dirty coils can hinder the heat exchange process essential for effective cooling. Finally, test the blower motor to ensure it is operating smoothly, as a sluggish or dirty motor can lead to inadequate airflow throughout the climate system. By systematically addressing these areas, you can effectively diagnose and potentially resolve the AC issues in your Cadillac ATS.

What are the common problems that could cause the AC to stop working in a 2016 Cadillac ATS?

When troubleshooting the air conditioning system in a 2016 Cadillac ATS, it's crucial to recognize the common problems that could lead to a malfunction. One of the primary issues is low refrigerant levels, which can significantly hinder the system's ability to cool the air effectively. If the refrigerant is low, it may indicate a leak that needs to be addressed. Another potential culprit is a faulty compressor; if the compressor isn't functioning properly, it won't circulate the refrigerant, resulting in inadequate cooling. Additionally, electrical issues such as blown fuses or damaged wiring can disrupt the AC's operation, making it essential to check these components. A clogged or leaking condenser can also impede the system's performance, as it plays a crucial role in dissipating heat. Lastly, a malfunctioning blower motor can lead to poor airflow from the vents, further diminishing the cooling effect. Identifying these issues early on can help you determine whether a DIY fix is possible or if professional assistance is required to restore your AC's functionality.

How urgent is it to repair the non-functioning AC in a 2016 Cadillac ATS?

When faced with a non-functioning AC in your 2016 Cadillac ATS, the urgency of repair cannot be overstated. A malfunctioning air conditioning system not only compromises your comfort during hot weather but can also pose serious health risks, particularly for those susceptible to heat-related illnesses. Moreover, neglecting this issue can adversely affect your vehicle's resale value, as prospective buyers often look for well-maintained features, including a fully operational AC. Additionally, continuing to operate the vehicle with a faulty AC can lead to increased strain on other mechanical components, potentially resulting in more extensive and costly repairs down the line. Therefore, addressing AC issues promptly is essential for ensuring a safe, comfortable, and reliable driving experience.

You’ve got options with RepairPal

Whether you need a more accurate auto repair estimate or help finding a reputable shop in your area, we’ve got you covered.

Troubleshooting 2016 Cadillac ATS AC Issues | RepairPal